Tube Furnace with Quartz Tube & Vacuum Flange (Optional 1-2" ) and 30 Segments Temperature Controller - GSL-1100X-UL

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Item Number: GSL-1100X

GSL-1100X is a CE certified small quartz tube furnace (1~2" diameter) designed for heating small samples up to 1100oC.  Stainless steel vacuum flanges with valves, vacuum pressure gauge and quartz tube are included for immediate use.  Built-in precision temperature controller can program up to 30 segments of heating, dwelling and cooling steps.  The furnace can be set up in both vertical and horizontal positions to meet various applications such as sample heating, VLS, CVD and quenching tests.  Set the furnace horizontally or at an angle to grow electronic crystals for semiconductor industry use or rotate it vertically for sintering applications.  New!!! the electric components of the lastest version GSL-1100X are UL/CSA certified, and it is ready to pass UL or CSA certification (UL61010 or SPE1000) on customer side at extra cost. (06/13/2014).

You can select the tube furnace with either CE Certificate and UL/CSA Ready or and UL Certification (UL61010) with various tube sizes sizes and voltage; 1" quartz tube, 110V, 1" quartz tube, 220V, 2" quartz tube, 110V or 2" quartz tube, 220V,



Furnace Structure
  • Energy saving high purity Al2O3 fibrous insulation liner
  • Stainless steel shell with adjustable height
  • Adjust three knobs on the back to flexibly change the furnace's vertical position within travel distance (from control box platform to lower end of the chamber): 4.5'' ~ 12'' (without hanger and supporter) 
  • Multiple configurations for various thermal processing needs


Multi-position adjustable         Using as a Vertical muffle furnace                   Fixing Knobs for Position                                                                                                                                Adjustment

Current Rating
  • 10 Amps for 220V version
  • 15 Amps for 110V version
Power 1.2KW

AC 110V single phase or AC 220V single phase

Working Temperature
  • Max. Temperature: 1100 °C  (< 1 hr)
  • Continuous working temperature: 1000 °C
  • Max. Heating Rate: 20 °C /min
Temperature Distribution


Heating Zone
  • Heating Zone Length: 12" (300mm)
  • Constant Temperature Zone:  3.1" (80mm)
Temperature Controller
  • PID automatic control and auto-tune function.
  • 30 programmable segments for precise thermal processing.
  • Built-in protection for over-heated and broken thermocouple. 
  • Temperature Accuracy: +/- 1 °C.
  • K type thermocouple.
Heating Elements Fe-Cr-Al Alloy doped by Mo
Processing Tube
Vacuum Flange
Two choices of stainless steel flanges with vacuum gauge and valves
  • 2" default flange with 1/4'' Bard fittings, 1/4'' tube feedthrough port (for 1/4" O.D thermocouple insert) and a KF25 vacuum portclick bottom right picture to see details )
  • 1" flange has no thermocouple insert ( click bottom left picture to see details )

      1" Flange Set              2" Flange Set


Fitting Ports
  • Both flanges will come standard with 3/8" barbed hose fittings
  • In order to increase the throughput and achieve a high vacuum, you may replace the standard barbed hose fitting with the KF25 adapter.
  • For supplying high pressure gas, you may replace the standard barbed hose fitting with the 304SS 1/4" Swagelok® Tube Fitting x 1/4" BSPP Male Connector.        
Vacuum Pressure
  • 50 mtorr can be achieved by mechanical pump
  • 10^-5 torr can be reached by molecular pump
Pressure Measurement / Monitoring
  • Mechanical Vacuum Gauge (included as standard accessory), which  measures within a pressure range of -0.1 to 0.15Mpa.  
  • Digital Pressure Gauge (optional): A gas-type indenpendent (above 10mbar) digital vacuum gauge with wide range between 3.8x10-5 to 1125 Torr. Aside from greater measurement precision, this gauge reduces risks of chamber explosions caused by incorrect reading of gas pressures due to gas-type dependency

Shipping Package Size 
  • 40"(L) x 30"(W) x 30"(H)
Shipping Weight
  • 100 lbs
Warranty One year limited warranty with lifetime support  (Consumable parts such as processing tubes, and O-rings are not covered by the warranty, please  order replacements at related products below.)
  • CE Certified
  • All electric components ( >24V) are UL / MET / CSA certified
  • The furnace is ready to pass TUV(UL61010)  or CSA certification at extra cost. ( please click marks below to learn details )
Application Notes

Click here to learn the installation of a gas regulator




PREMIER SOLUTIONS PTE LTD / MTI CORPORATION - Tube Furnace with Quartz Tube & Vacuum Flange (Optional 1-2" ) and 30 Segments Temperature Controller - GSL-1100X-UL

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